Home / 161,944.11-223,367.15-140,395.31

Finding the Fourth Proportional to 161,944.11, 223,367.15 and 140,395.31

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Solution

The fourth proportional to 161,944.11, 223,367.15 and 140,395.31 is: 193,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,944.11 : 223,367.15 = 140,395.31 : x
  2. Step 2: Convert to fraction form
    161,944.11/223,367.15 = 140,395.31/x
  3. Step 3: Cross multiply
    161,944.11x = 223,367.15 × 140,395.31
  4. Step 4: Simplify right side
    161,944.11x = 31,359,700,339.85
  5. Step 5: Solve for x
    x = 31,359,700,339.85/161,944.11
  6. Step 6: Final answer
    x = 193,645.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.